This paper discusses the impact of a firm's technology portfolio on its market value. Two concepts are used to characterize a firm's portfolio: the number of technological fields and the degree of relatedness within the portfolio characterized by the amount of joint occurrences of patents in...

This paper discusses the impact of a firm's technology portfolio on its market value. Two concepts are used to characterize a firm's portfolio: the number of technological fields and the degree of relatedness within the portfolio characterized by the amount of joint occurrences of patents in...

This paper discusses the impact of a firm's technology portfolio on its market value. Two concepts are used to characterize a firm's portfolio: the number of technological fields and the degree of relatedness within the portfolio characterized by the amount of joint occurrences of patents in...

Die Wahl zwischen Diversifikation und Spezialisierung ist eine lange und kontrovers diskutierte Frage in der industrieökonomischen Forschung. Inzwischen ist es möglich, anhand von Mikrodaten auf Unternehmensebene die Gestaltung der Produktpalette von Unternehmen zu untersuchen. In dieser...